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Red Mountain


Comprehensive Surgical & Cytologic

Pathology and Clinical Laboratory Services


About Us

Red Mountain Diagnostics is a locally owned and operated full-service Pathology Laboratory located in the suburb of Homewood in Birmingham, Alabama.  We offer the complete range of services in Surgical and Cytologic Pathology, as well as a full complement of Clinical Laboratory testing including Molecular Diagnostic techniques for the most advanced detection of pathogens in routine clinical practice.


Anatomic Pathology

  • Histopathology

  • Immunohistochemistry


  • Pap smear - Monolayer and Conventional, with HPV Reflex Testing and Co-Testing

  • Extragenital Cytology specimens from any source

  • Fine Needle Aspiration Biopsy (FNAB) interpretation

Clinical Lab

  • Molecular Diagnostics testing, to include:

    • Infectious Disease

    • Wound Care

    • Toxicology

    • Hereditary Cancer Screening (in development)

Our People

Donald (Don) R. Simmons, MD

Dr. Simmons is a Birmingham, Alabama native, having grown up in the Avondale area and graduating from John Carrroll High School in 1979.  He attended Vanderbilt University (B.A. in Molecular Biology, magna cum laude 1983) followed by University of Alabama School of Medicine (M.D. 1987).  He completed a Transitional Surgery Internship year with Baptist Medical Centers of Birmingham in 1988, and trained at the University of Virginia, Charlottesville, in Anatomic and Clinical Pathology, finishing his Residency in 1992.  In addition to family time with his wife and two daughters, he enjoys music, fly fishing, and toy trains.

William (Wim) T. DeVos, MD

Dr. Devos, a San Antonio native, graduated from Washington University in St. Louis (B.S. in Chemical Engineering, 1979), then from University of Texas Medical School in San Antonio (MD, 1983).  He completed a combined residency in Anatomic and Clinical Pathology at Baylor College of Medicine in Houston in 1987.  After residency, he moved to Birmingham with his wife, where they raised their two daughters and one son in the Redmont neighborhood.  When not with family, he loves to run and to tinker with electronics, computers, cars, and music.

Our Pathologists

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